How to Measure Yourself
When taking your measurements, use a cloth tape measure, not a metal one. Make sure when circling your chest, waist, or hips, the tape is level and neither too tight nor too loose. Be sure to measure yourself on your bare skin, not over clothes.
Measure the circumference of your waist. Use the tape to circle your waist (in the same manner a belt would) at your natural waistline, which is located above your belly button and below your rib cage. (If you bend to the side, the crease that forms is your natural waistline.) Don’t suck in your stomach, or you’ll get a false measurement. If you generally wear your clothes below your waist be sure to take your measurements there.
This is the distance from the uppermost inner part of your thigh to the bottom of your ankle.
With help: While you’re wearing a pair of pants, have a helping pair of hands stretch the tape from your crotch to the bottom of your ankle.
Without help: If you have a pair of pants that fit are an ideal fit, measure the inseam of the pants.